  <view x="0" y="0" w="100%" h="100%" children_layout="default(c=1,r=4,m=5,s=5)">
     <button text="Basic" focusable="true" name="open:basic"/>
     <button text="Button" focusable="true" name="open:button"/>
     <button name="open:confirm" focusable="true" text="Confirm"/>
     <button text="Close" focusable="true" name="close"/>
   </view>
